GRANDO RM. User Manual
18
After connecting the power supplies to the AC mains, the controller will
automatically turn on, followed by liquid cooling system self-diagnosis.
GRANDO RM is equipped with a two-line show, it will display information
about the operating modes of the device.
The preliminary stage, performed only when the Internal cooling system is
powered for the first time or after power loss recovery. In case of perform
-
ing a Computing unit regular shutdown without removing the connection
voltage, the Internal Cooling System automatically goes into standby mode
until it is turned on again.
Self-diagnostic
When Internal Cooling system is powered, the self-diagnostic procedure
begins and the display successively shows:
STARTING UP THE DEVICE
5.1
5.
COM
INO COOL
ING
SYSTEM START
